Immunoglobulin D




Test Mnemonic

IGDQNT

CPT Codes

  • 82784 - QTY (1)

LOINC ®

2460-4

Aliases

  • IgD

Includes

  • Immunoglobulin D

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold) RefrigeratedSeparate serum from cells ASAP or within 2 hours of collection and transfer into standard aliquot tube.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
RefrigeratedAfter separation from cells: 14 days
FrozenAfter separation from cells: 6 months
AmbientAfter separation from cells: Unacceptable

Days Performed

Mon, Wed, Fri

Turnaround Time

2 - 5 days

Methodology

Name Description
Quantitative Immunoturbidimetric 

Reference Range

IgD Quant
Sex Age From Age To Type Range Range Unit
   Years99 YearsNormal<= 15.3mg/dL

Special Info

Grossly hemolyzed or lipemic specimens are unacceptable. This test is New York DOH approved.

Clinical Info

IgD is one of the five classes of immunoglobulin. IgD is mainly found on the surface of B-cells and may help regulate B-cell function. IgD likely serves as an early B-cell antigen receptor, however, the function of the circulating IgD is largely unknown.